An open lock of the TMJ that the patient cannot reduce is termed

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An open lock that the patient cannot reduce is called dislocation. Dislocation occurs when one or both of the condyles translate anterior to the articular eminence. Subluxation refers to hypermobility in which the patient is able to relocate the mandible back into the glenoid fossa. Ankylosis of the TMJ is defined as immobility of the condyle because of fibrous or bony union between the articulating structures of the joint. Myofascial pain is characterized as a dysfunctional muscle hyperactivity with regional pain, tenderness of the affected muscles, and variable amounts of reduced opening and complaints of malocclusion.

An Open Lock of the TMJ That the Patient Cannot